PCM_INTF_CON1_SYNC_LENGTH_MASK
val |= FIELD_PREP(PCM_INTF_CON1_SYNC_LENGTH_MASK, 1);
val |= FIELD_PREP(PCM_INTF_CON1_SYNC_LENGTH_MASK, bit_width);
mask |= PCM_INTF_CON1_SYNC_LENGTH_MASK;
mask |= PCM_INTF_CON1_SYNC_LENGTH_MASK;